The grid paper included on the following pages has been scaled so that each square measures 0.5 cm. You should use this grid paper to check your algebraic calculation of vector properties. 1. Consider two vectors A = (41+ 41) cm and B = (-21 + 31) cm. Use the equation for the magnitude of a vector to calculate the magnitude of the two vectors, i.e. A= A and B = |B. A = A= (4^2+4^2)^1/2= 4*sqrt(2) B| =B = ((-2)^2+3^2)^1/2 = sqrt(13) b. Define an origin and the x and y axes on the grid paper, then use a ruler to draw arrows representing the two vectors. c. Use a ruler to measure the length of the two vectors on your grid. Does this agree with your previous calculation of their magnitude? Should it? d. Use the equation for a unit vector to calculate the unit vector for A Le. Â). Draw this vector on the grid and measure its length with a ruler.

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